iio: adc: ad7380: fix missing max_conversion_rate_hz on adaq4381-4

Add max_conversion_rate_hz to the chip info for "adaq4381-4". Without
this, the driver fails to probe because it tries to set the initial
sample rate to 0 Hz, which is not valid.

Fixes: bbeaec81a03e ("iio: ad7380: add support for SPI offload")
Signed-off-by: David Lechner <dlechner@baylibre.com>
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Link: https://patch.msgid.link/20250811-iio-adc-ad7380-fix-missing-max_conversion_rate_hs-on-ad4381-4-v1-1-ffb728d7a71c@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/adc/ad7380.c b/drivers/iio/adc/ad7380.c
index 6f7034b6c266bd6075e0e2fd8d567c4490171e7b..fa251dc1aae6ab0a0d36792fa37b2cc22b99dfe6 100644 (file)
--- a/drivers/iio/adc/ad7380.c
+++ b/drivers/iio/adc/ad7380.c
@@ -873,6 +873,7 @@ static const struct ad7380_chip_info adaq4381_4_chip_info = {
        .has_hardware_gain = true,
        .available_scan_masks = ad7380_4_channel_scan_masks,
        .timing_specs = &ad7380_4_timing,
+       .max_conversion_rate_hz = 4 * MEGA,
 };
 
 static const struct spi_offload_config ad7380_offload_config = {